Mathematics · Set Theory
In a college having 600 science students, 450 students are doing Physics, 500 students are doing Mathematics, and 400 students are doing Chemistry. Of these students, 380 students are doing both Physics and Mathematics, 350 students are doing Physics and Chemistry, and 200 students are studying all three subjects. Then the number of students doing both Mathematics and Chemistry is:
- 1280
- 2260
- 3240
- 4220✓
Correct answer
220
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